DefaultAssemblyPartDiscoveryProvider.IsCandidateLibrary should not look at types i…

[pranavkm]

…n Mvc assemblies

Fixes #4363

[pranavkm]

cc @javiercn \ @rynowak

[javiercn]

This will affect AddTagHelpersAsServices as we need to discover the ones we provide out of the box.

[javiercn]

Also, I'm working on dramatic change to this class, we might want to wait and do it later

[pranavkm]

@javiercn, what's the PR for your change?

[javiercn]

#4379

[javiercn]

You can rebase this PR on top of my changes :)

[pranavkm]

🆙 📅

[javiercn]

Is there anything that we provide out of the box apart from tag helpers? (I'm pretty sure we don't, but want to make sure). If there's something else that we provide out of the box, you need to add it to the list of default parts. If not,

[pranavkm]

Sorry, I don't understand what out of the box means here.

[javiercn]

As part of the framework, like input tag helper and similar, I don't think we provide any view component or a controller, but just wanted to make you aware.